1954 LIBERTY SERIES
RESEARCH STUDIES
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"Bureau Precancel Style 71: Three Types on DES MOINES / IOWA 1/2c Liberty" by Roland Austin
"Disabled American Veterans (DAV) Promotional Return Envelopes" by Ken Lawrence
"Cincinnatti, Ohio, Precancel Error (OIHO)"
"A Third Liberty Coil Perforation Hole Size?" by Lawrence Secchiaroli
"Rare 25c Revere Coil Plate Number" by Roland Austin
"Earliest Dates to Press for Liberty Series Dry-Printed Stamps" by Ken Lawrence
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